Dyfyniad APA

KETELBEY, C. (1964). A history of modern times; from 1789 (4th ed.). Harrap; Bombay, 0.U.P..

Dyfyniad Arddull Chicago

KETELBEY, C.D.M. A History of Modern Times; from 1789. 4th ed. London: Harrap; Bombay, 0.U.P., 1964.

Dyfyniad MLA

KETELBEY, C.D.M. A History of Modern Times; from 1789. 4th ed. Harrap; Bombay, 0.U.P., 1964.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.